BIT-KEYCLOAK-2026-1609 Org.keycloak/keycloak-quarkus-server: keycloak: unauthorized access via jwt authorization grant with disabled users

A flaw was found in Keycloak. When the JSON Web Token JWT authorization grant preview feature is enabled and a user account is disabled, Keycloak fails to validate the user’s disabled status during JWT authorization grant processing. A remote attacker with low privileges can exploit this improper...

Astra Linux – Vulnerability in the 389-DS-base

A flaw was discovered in 389-ds-base. If an asterisk is imported as password hashes, either accidentally or maliciously, then any password will successfully match during authentication, instead of being inactive. This flaw allows an attacker to successfully authenticate as a user whose password h...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: soc: fsl: qbman: Always disable interrupts when taking cgrlock. smpcallfunctionsingle disables IRQs when executing the callback. To prevent deadlocks, IRQs must be disabled when taking cgrlock elsewhere. This is already done b...

Astra Linux – Vulnerability in Tomcat9

CLIENTCERT authentication does not fail as expected in some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat versions from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, and from 9.0.92 through 9.0.116. Users are recommended to...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: tproxy: Exit if IP has been disabled on the device. syzbot reports: General protection fault, likely for a non-canonical address 0xdffffc0000000003: 0000 1 PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: caif: Fixed integer underflow in cffrmlreceive. The cffrmlreceive function extracts a length field from the packet header. When FCS is disabled, it subtracts 2 from this length without verifying that len is greater than or equal ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: kprobes: Do not call disarmkprobe for disabled kprobes The assumption in disablekprobe is incorrect, and it may attempt to disarm a kprobe that is already disarmed, thereby triggering WARNONCE below. This issue can be easily...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid memory allocation in iommususpend. The iommususpend system call’s suspend callback is invoked with IRQs disabled.allocating memory with the GFPKERNEL flag may re-enable IRQs during the suspend callback, which ca...

Astra Linux – Vulnerability in Zeromq3

A uncontrolled resource consumption memory leak flaw was discovered in ZeroMQ’s src/xpub.cpp in versions prior to 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if CURVE/ZAP authentication is disabled on the server, resulting i...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: macb: Use devconsumeskbany to free TX SKBs The napiconsumeskb function is not intended to be called in a disabled IRQ context. However, after commit 6bc8a5098bf4 “net: macb: Fix txptrlock locking”, the freeing of TX SKBs is...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: um: time-travel: fix time corruption In the “basic” time-travel mode without =inf-cpu or =ext, we still encounter timer interrupts. These can occur at arbitrary times, for example, while inside the timerread function, which simpl...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/core: Prevent rescheduling when interrupts are disabled David reported a warning observed during loop testing of the kexec jump: Interrupts were enabled after irqrouterresume+0x0/0x50 Warning: CPU: 0 PID: 560 at...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: Replace spinlock with rawspinlock. The function tracedropcommon is called with preemption disabled, and it acquires a spinlock. This is problematic for RT kernels because spinlocks are sleeping locks in this...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/imc-pmu: Fixed the use of a mutex in the IRQs-disabled section. The current imc-pmu code triggers a warning when CONFIGDEBUGATOMICSLEEP is enabled and CONFIGPROVELOCKING is also enabled, while a threadimc event is running...

Astra Linux – Vulnerability in Git

Git is a version control system. Before versions 2.45.1, 2.44.1, 2.43.4, 2.42.2, 2.41.1, 2.40.2, and 2.39.4, repositories containing submodules could be exploited through a bug in Git. This bug allowed a script to be written into the .git/ directory instead of the submodule’s worktree. This enabl...

Astra Linux – Vulnerability in python-urllib3

urllib3 is a user-friendly HTTP client library for Python. Prior to version 2.5.0, it was possible to disable redirections for all requests by instantiating a PoolManager and specifying retries in a way that disables redirections. By default, requests and botocore users are not affected. An...

Astra Linux – Vulnerability in edk2

The Ubuntu edk2 UEFI firmware packages accidentally allowed access to the UEFI Shell in Secure Boot environments, potentially enabling bypass of Secure Boot restrictions. Versions 2024.05-2ubuntu0.3 and 2024.02-2ubuntu0.3 disable the Shell. Some earlier versions introduced a security measure base...

Astra Linux – Vulnerability in Ansible

A flaw was discovered in Ansible Engine, in ansible-engine 2.8.x before 2.8.15, and ansible-engine 2.9.x before 2.9.13, when installing packages using the dnf module. GPG signatures are ignored during installation, even when the disablegpgcheck parameter is set to False—which is the default...

Astra Linux – Vulnerability in python-urllib3

urllib3 is a user-friendly HTTP client library for Python. urllib3 does not treat the Cookie HTTP header specially or provides any helpers for managing cookies over HTTP; that responsibility lies with the user. However, it is possible for a user to specify a Cookie header, and information may be...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: WireGuard: socket: freeskb in send6 when IPv6 is disabled. I received a report of a memory leak: Unreferenced object: 0xffff8881191fc040 size 232 Command: kworker/u17:0, PID: 23193, Jiffies: 4295238848 age: 3464.870 seconds Hex...